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[wot-ig/wg] minutes - 9 August 2017

From: Kazuyuki Ashimura <ashimura@w3.org>
Date: Thu, 10 Aug 2017 14:04:25 +0900
Message-ID: <CAJ8iq9WHzLbu4pFDUBR_RHcu+namDcCGds=BDN8Mbsb=vky8pA@mail.gmail.com>
To: Public Web of Things IG <public-wot-ig@w3.org>, public-wot-wg@w3.org
available at:
  https://www.w3.org/2017/08/09-wot-minutes.html

also as text below.

Thanks a lot for taking the minutes, Sebastian!

Kazuyuki

---

   [1]W3C

      [1] http://www.w3.org/

                               - DRAFT -

                               WoT IG/WG
                              09 Aug 2017

   [2]Agenda

      [2] https://www.w3.org/WoT/IG/wiki/Main_WoT_WebConf#Agenda

Attendees

   Present
          Michael_McCool, Kaz_Ashimura, Ryuichi_Matsukura,
          Kunihiko_Toumura, Matthias_Kovatsch, Michael_Koster,
          Sebastian_Kaebisch, Taki_Kamiya, Tomoaki_Mizushima,
          Zoltan_Kis, Daniel_Peintner, Dave_Raggett, Masato_Ohura,
          Darko_Anicic, Katsuyoshi_Naka, Kazuaki_Nimura

   Regrets
   Chair
          Matthias, McCool

   Scribe
          kaz, sebastian

Contents

     * [3]Topics
         1. [4]PlugFest Planning
         2. [5]TPAC logistic
         3. [6]TD TF
         4. [7]Scripting API TF
         5. [8]Binding Template TF
         6. [9]LD TF
     * [10]Summary of Action Items
     * [11]Summary of Resolutions
     __________________________________________________________

   <mkovatsc>
   [12]https://www.w3.org/WoT/IG/wiki/Main_WoT_WebConf#Agenda

     [12] https://www.w3.org/WoT/IG/wiki/Main_WoT_WebConf#Agenda

PlugFest Planning

   <inserted> scribenick: kaz

   [13]Matsukura-san's slides

     [13] https://lists.w3.org/Archives/Public/public-wot-ig/2017Aug/att-0004/Next_step_of_Plugfest_20170809.pptx

   matsukura: Next Step of PlugFest
   ... we should challenge more practical use cases
   ... collaboration of 2-3 servients, e.g.
   ... [More practical use cases for the next plugfest]
   ... air conditioner at home connected with the home hub
   ... [Requirements for this plugfest]
   ... Fujitsu home hub could be connected with others' devices
   ... there is a firewall/NAT between the home hub and the agent
   ... the smartphone can handle the air conditioner remotely
   ... preparation for this kind of demo
   ... please join

   matthias: any requirements on interworking with specs?
   ... maybe vocabulary?

   kaz: expected standardization topics?

   matthias: targeted standardization topics for servient
   collaboration
   ... connection points for others to join
   ... do you propose this basic scenario and expect further
   discussion?

   matsukura: maybe the participants who join this plugfest
   ... some of the requirements could go into some of the specs

   matthias: share the experience during the plan

   kaz: had some discussion with Matsukura-san yesterday about
   this and would add some supplementary explanation about the
   purpose
   ... Step 1: providing an idea on the basic structure for a
   joint plugfest like this
   ... Step 2: asking people to join the project and discussing
   the detailed design
   ... Step 3: clarifying requuirements for our deliverable specs
   based on the plugfest and bring the feedback to each related TF

   matthias: implementation scenario
   ... cloud proxy, etc.
   ... local hub could have water pump, etc.
   ... connected to the cloud service servient as a shadow
   ... and interwork with the smartphone
   ... the question is
   ... can some of the experience shared with people?

   matsukura: software?

   matthias: piece of software of service

   kaz: better to share the service/information and ask even more
   people to join :)

   matthias: yes
   ... interested in the progress of the project
   ... can use it or not, etc.

   matsukura: at this moment, no concrete set-up
   ... would like to start with sharing specs
   ... and then would like to share parts or interface, etc.

   matthias: ok
   ... this scenario is the goal
   ... come up together what would be the best
   ... to realize the scenario

   <Zakim> dsr, you wanted to supporting experimental work on
   exposing things via cloud and home hubs

   dsr: would support this
   ... MIT server
   ... cloud and local device
   ... also would try simulated device
   ... virtual device, e.g., washing machine
   ... would be great if we could do this before plugfest

   matsukura: the question from me is who would provide what
   ... e.g., proxy on the cloud side
   ... maybe difficult to provide it on the cloud side

   dsr: would help

   matthias: overall, I'm also interested
   ... connection with both the home hub and cloud service server
   ... but no implementation available so far
   ... one channel for home hub and another channel for cloud
   server

   matsukura: ok
   ... who is interested in this project?
   ... also who would provide what?

   matthias: Siemens is interested
   ... need to identify what is usable
   ... channel protocol for firewalls

   matsukura: would discuss that as well

   kaz: how to proceed?
   ... github issue? specific wiki/md or plugfest wiki

   matsukura: will do

   mccool: demonstrate things do work
   ... e.g., my collaboration with Koster

   kaz: do you want to provide your module to this project?

   mccool: yeah
   ... challenge is doing it in conjunction with security

   kaz: more detailed consideration in addition to firewall/nat?

   mccool: yes
   ... practical issues

   dsr: we should discuss the details on github
   ... would see the minimal consensus on security

   kaz: Matsukura-san, are you ok with creating a GitHub issue on
   this?

   matsukura: yes

   <scribe> scribenick: sebastian

TPAC logistic

   Mjkoster checks if there some meeting rooms available for the
   plugfest

   Matthias published a test thing

   Please test it and give some feedback

   <mkovatsc>
   [14]https://github.com/thingweb/node-wot/tree/master/examples/t
   estthing

     [14] https://github.com/thingweb/node-wot/tree/master/examples/testthing

   provides sample TDs, a client and Thing server

   McCool: where can TD be registred?

   <mkovatsc> [15]http://plugfest.thingweb.io/

     [15] http://plugfest.thingweb.io/

   Victor is maintaining this TD repository

   <dsr> A short Note would be valuable

   <mkovatsc>
   [16]https://github.com/w3c/wot/tree/master/proposals/discovery-
   flow

     [16] https://github.com/w3c/wot/tree/master/proposals/discovery-flow

   McCool: Good idea to have a notice of TD discovery

   Matthias: there is already some material of TD discovery. need
   to check where this information can be found

   can be found in CP

   <kaz> Matthias: would be better to update the IG portions after
   publishing WG FPWDs

   <kaz> kaz: +1

TD TF

   next agenda point

   TD

   [17]https://w3c.github.io/wot-thing-description/

     [17] https://w3c.github.io/wot-thing-description/

   <kaz> scribenick: kaz

   sebastian: link above
   ... 2 major changes
   ... synchronized the content of the current document and the TD
   spec

   (sharing the screen)

   matthias: and also used script Victor generated
   ... vocabularies out of the TD ontology
   ... defined in the "4. Vocabulary Definition" section
   ... if you make changes to the TD ontology
   ... you can get updated text for the TD spec
   ... also removed the figure and updated the example (EXAMPLE 1)
   ... next "2. Namespaces"
   ... list of all the prefix namespaces
   ... not complete yet
   ... "3. Conformance"
   ... structure validation or RDF validation using SHACL
   ... "4. Vocabulary Definition"
   ... "4.1 Overview" core model of TD
   ... "4.2 Classes"
   ... "5. Serialization"
   ... we're currently concentrating on JSON-LD
   ... many of the contents are copied from the old doc
   ... would updated with links, etc.
   ... please review the updated document
   ... still many to do
   ... this is the current status
   ... next webconf will be on Friday
   ... eventing, etc. from the Dusseldorf meeting
   ... would like to have discussion during the call
   ... how to realistic to use updated one for the next plugfest
   ... 2-3 major topics for the next call on Friday
   ... kind of completed with the transition from the Current
   Practices doc to the TD spec
   ... so we should remove overlaps
   ... the Current Practices doc should concentrate on PlugFests
   ... links to specs
   ... experimental features to test
   ... spec should include something more settled
   ... Matsukura-san's scenario could be included in the Current
   Practices document, for example
   ... will proceed similar to Scripting API content in the CP
   document

   mccool: how to manage versions?
   ... would add tags

   <dape>
   [18]http://w3c.github.io/wot/current-practices/wot-practices-os
   aka-2017.html

     [18] http://w3c.github.io/wot/current-practices/wot-practices-osaka-2017.html

   matthias: we usually create separate versions

   <dape>
   [19]http://w3c.github.io/wot/current-practices/wot-practices-sa
   nta-clara-2017.html

     [19] http://w3c.github.io/wot/current-practices/wot-practices-santa-clara-2017.html

   <dape>
   [20]http://w3c.github.io/wot/current-practices/wot-practices-du
   esseldorf-2017.html

     [20] http://w3c.github.io/wot/current-practices/wot-practices-duesseldorf-2017.html

   matthias: Beijing, Santa Clara, Osaka, Dusseldorf

   <scribe> scribenick: sebastian

Scripting API TF

   Zoltan: make dape as official API editor

   <kaz> [21]https://github.com/w3c/wot-scripting-api/issues/38
   issue 38

     [21] https://github.com/w3c/wot-scripting-api/issues/38

   Zoltan: some open issues, also see
   [22]https://github.com/w3c/wot-scripting-api/issues

     [22] https://github.com/w3c/wot-scripting-api/issues

   Matthias: solve semantics usage (add/read semantics) and
   discovery in API

   Zoltan: discovery is well defined, however, no implementation
   feedbacks yet

Binding Template TF

   next topic TF Protocol Binding

   mjkoster: there was a web meeting yesterday
   ... discussion about first public working deliverable
   ... planning to define some vocabulary that have to be used
   within the TD

LD TF

   next topic: Semantic Processing TF (IG)

   <DarkoAnicic>
   [23]https://github.com/w3c/wot/pull/345/commits/8720af246defb3e
   9924da9187b77eff801490ec8

     [23] https://github.com/w3c/wot/pull/345/commits/8720af246defb3e9924da9187b77eff801490ec8

   darko: provided SHACL and ShEx for data types

   end of call

   [ adjourned ]

Summary of Action Items

Summary of Resolutions

   [End of minutes]
     __________________________________________________________


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